Amancio, SergioSergioAmanciodos Santos, Jorge F.Jorge F.dos Santos2020-06-092020-06-092016-05Annual Technical Conference - ANTEC: 1310-1317 (2016-05)http://hdl.handle.net/11420/6274This work presents an analytical heat input model for Friction Riveting joints. Case-study friction-riveted joints were produced with unreinforced polyetherimide (PEI) and aluminum alloy AA2024 to validate the analytical model. Due to physical and phenomenological process similarities, principles from the heat generation in spin welding and metal friction welding were applied to describe heat generation in Friction Riveting. The proposed general formulation for total heat input considered both frictional and normal force contributions. However, experimental validation results indicated that the normal force contributions for the total heat input were very small (0.08% - 0.13%). Therefore they may be neglected for simplification. Furthermore model validation results showed that the viscous dissipation component of the frictional contribution varies from 91.5% to 94.7%. This shows the importance of internal shearing in the molten polymer as a mechanism of heat generation.enConference PaperOther